Tsunami evacuation drills in Rassada, Phuket City

PHUKET CITY: The Department of Disaster Prevention and Mitigation (DDPM-Phuket) will hold two planned tsunami evacuation drills over the next two days. The first will be at Laem Tokkae tomorrow morning and the second at Saphan Hin and parts of Rassada on Saturday morning.

DDPM-Phuket Chief Aroon Kerdsom said the tests will be followed on July 25 by a regional testing of the entire National Disaster Warning Center (NDWC) system, which comprises some 100 satellite-linked, solar-powered siren towers in tsunami risk areas of the six Andaman Coast provinces.

The first drill at Laem Tokkae, in Rassada Village 3, home to a sea gypsy village, will be from 9 am to midday.

The second drill, on Saturday, will be organized by Phuket City Municipality and held from 8:30 am to 11 am. Residents of Kor Pai, Saensuk, Soi Saphan Hin and Plai Laam villages have all been asked to take part.

In both drills, the NDWC tsunami warning sirens will sound using “real” alarm signals activated via satellite from the NDWC control center in Nonthaburi, which will be followed by recorded warning messages in English, Thai, Japanese, Chinese and German, K. Aroon said.

That the warnings would be remotely activated was confirmed by Air Vice-Marshal Pakdeewat Watcharapanlop, who works at the NDWC.

In the regional testing, to be held from 9 am until noon on July 25, the DDPM-Phuket will oversee test of the entire provincial tsunami warning network, which it has divided into 10 zones in coastal areas across the island’s three districts:

Muang District: 1. Ao Yon and other parts of Wichit; 2. Karon, Kata, and Kata Noi; 3. Nai Harn, Rawai, Koh Lone and Koh Racha; 4. Chalong Bay.

Thalang District: 5. Nai Yang; 6. Bang Tao and Ao Lepang; 7. Mai Khao; 8. Ao Por.

Kathu District: 9. Kamala; 10. Patong.

Patong, which has three warning towers, has been designated as the center of operations and media coverage for the testing, K. Aroon said.

The Patong towers fall under particular scrutiny. Donated by a consortium led by Bangkok-based TMS International (Thailand), they have not been audibly tested since they were retrofitted in 2006 by technicians from Raynart Corporation and its partners American Signal Corporation, which won a contract to install 62 towers in the region.

A regional test of the system scheduled for March 7 this year was scrapped at the last minute. Only the tower in Rawai was tested on that day, by DDPM-Phuket officials tapping a microphone nearby and listening to see if the tower’s loudspeakers emitted any sound. They did, and the test was declared a success.

NDWC chief Dr Smith Dharmasaroja told the Gazette that April 7 testing had to be canceled at the last minute in order to avoid a public panic, because local authorities in some areas had not informed local residents.

The cancellation led to rumors that the satellite system used by the NDWC system was unreliable. Democrat Party deputy leader Alongkorn Ponlabutr in early May called on the Information and Communication Technology Ministry, under which the NDWC falls, to conduct a probe into the NDWC.

Dr Smith responded by assuring that all of the warning towers were in working order and were being silently tested on a regular basis from the NDWC center in Nonthaburi.

Phuket News

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